Washington, District of Columbia

Patent attorneys in Washington

Washington, District of Columbia is home to 2,626 USPTO-registered patent practitioners. Working with a local practitioner can streamline in-person meetings for invention disclosures, signing inventor declarations, and reviewing prior-art search results — but every USPTO practitioner is licensed to practice nationally, so a non-local choice is also valid. Local firms with the most USPTO-registered practitioners include Sughrue Mion PLLC., Sterne, Kessler, Goldstein & Fox PLLC, and Mei & Mark LLP.

Jun Fei Zhong

Reg. 75643

Patent agent

Sughrue Mion PLLC.

Washington, DC · 20006

202-663-7935

Lei Zhou

Reg. 48291

Patent attorney

Sterne, Kessler, Goldstein & Fox PLLC

Washington, DC · 20005

202-772-8661

Guang Yu Zhu

Reg. 66250

Patent attorney

Mei & Mark LLP

Washington, DC · 20006

888-860-5678

Jasmine W Zhu

Reg. 72707

Patent agent

Orrick Herrington & Sutcliffe LLP

Washington, DC · 20037

202-339-8692

Yan Zhuang

Reg. 77960

Patent agent

Arent Fox LLP

Washington, DC · 20006

202-350-3442

James O Zigouris

Reg. 71402

Patent attorney

Federal Communications Commission

Washington, DC · 20554

888-225-5322

Azaad O. Zimmermann

Reg. 81641

Patent attorney

Kirkland & Ellis LLP

Washington, DC · 20001

202-389-3341

Anita Choudhary Zinzuvadia

Reg. 56520

Patent agent

U.S. Department of Commerce

Washington, DC · 20230

202-482-3772

Jonathan D Zischkau

Reg. 31445

Patent attorney

U.S. Civilian Board of Contract Appeals

Washington, DC · 20016

202-606-8762

Warren A Zitlau

Reg. 39085

Patent attorney

Cahn & Samuels, LLP

Washington, DC · 20036

202-331-8777

Joseph J Zito

Reg. 32076

Patent attorney

DNL ZITO

Washington, DC · 20036

202-466-3500

Martin M Zoltick

Reg. 35745

Patent attorney

Rothwell, Figg, Ernst & Manbeck, P.C.

Washington, DC · 20005

202-783-6040

Bruce C Zotter

Reg. 27680

Patent attorney

Bruce C. Zotter, Attorney at Law

Washington, DC · 20016

202-262-5294

Hongling Zou

Reg. 68459

Patent attorney

Cozen O'Connor

Washington, DC · 20036

202-747-0785

David A. Zucker

Reg. 74095

Patent attorney

Latham & Watkins LLP

Washington, DC · 20004

202-637-2200

Jessica L Zurlo

Reg. 71693

Patent attorney

Bradley Arant Boult Cummings LLP

Washington, DC · 20036

202-719-8231

Common questions

Do patent attorneys in Washington cost more than the national average?

Patent attorney fees vary primarily by experience and complexity of the invention, not by city. A typical provisional patent application in the US runs $1,500 to $5,000; a non-provisional utility filing runs $5,000 to $15,000. Hourly rates in Washington tend to track the broader District of Columbia legal market.

How many USPTO practitioners list a Washington office?

2,626 USPTO-registered patent practitioners list a Washington mailing address on the OEDCI roster. You can sort by firm size and contact each directly using the phone numbers shown.

Can I work with a Washington practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Washington-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.